The Qinba Mountain Area is one of the regions with high affecting of mental retardation (MR) in China.
秦巴山区是我国精神发育迟滞病症的高发区之一。
2
The results Pointed out the Pathogeny for mental retardation in endemic goiter area was not caused only by iodine deficiency and was caused by manifold element.
提示地甲肿流行区智力低下的发生，碘缺乏不是唯一的病因，而是多种元素作用的结果。
3
This study is about the GGC repeat alleles polymorphism of FRAXE from children in Qinba Mountain Area and the association between FRAXE and mental retardation.